<template>
  <!-- 商品详情页 -->
  <div class="details wrap">
    <Crumb :navs="nav"></Crumb>
    <main>
      <div class="content">
        <div class="l">
          <div class="bigImg">
            <img :src="imgBaseUrl + productInfo.coverImg" alt="" />
          </div>
          <ul>
            <li
              v-for="(item, index) in productInfo.imgAltas"
              :key="index"
              @mouseenter="imgTabFn(item.src, index)"
              :style="{
                border: index == from.imgTabIndex ? '1px solid red' : 'none',
              }"
            >
              <img
                :src="imgBaseUrl + item.src"
                width="100"
                height="100"
                alt=""
              />
            </li>
          </ul>
        </div>
        <div class="r">
          <div class="top">
            <h2>{{ productInfo.seriesTitle }}</h2>
            <!-- 自动断电丨家用全自动丨早餐神器 -->
            <p>{{ productInfo.seriesSubTitle }}</p>
            <div class="score">{{ productInfo.coin }}积分</div>
          </div>
          <div class="down">
            <section
              v-for="(item, index) in productInfo.parameterJson"
              :key="index"
            >
              <strong>选择{{ item.title }}</strong>
              <ul>
                <li
                  v-for="items in item.parameters"
                  :key="items.id"
                  @click="youCanBuyFN(items.id)"
                  :class="{ active: items.currentActivate }"
                >
                  {{ items.title }}
                </li>
              </ul>
            </section>
            <div style="margin: 10px 0">
              <strong>数量 <span>*礼品库存99件</span></strong>
              <div class="step">
                <div class="reduce" @click="step(-1)">-</div>
                <input type="text" disabled v-model="from.stepNum" />
                <div class="add" @click="step(1)">+</div>
              </div>
            </div>
            <div class="btns">
              <div class="addToCart" @click="CartsAdd">加入购物车</div>
              <div class="buyNow">立即购买</div>
            </div>
          </div>
        </div>
      </div>
      <aside>
        <h3>你还可以兑换</h3>
        <ul>
          <li
            v-for="(item, index) in themYouCanBuy"
            :key="item.id"
            @click="youCanBuyFN(item.id)"
          >
            <div class="l">
              <img :src="imgBaseUrl + item.img" alt="" />
            </div>
            <div class="r">
              <div class="title">{{ item.name }}</div>
              <div class="score">
                <span>{{ item.coin }}</span>
                积分
              </div>
            </div>
          </li>
        </ul>
      </aside>
    </main>
    <ul class="tabs">
      <li :class="{ active: from.isShow }" @click="from.isShow = true">
        礼品详情
      </li>
      <li :class="{ active: !from.isShow }" @click="from.isShow = false">
        常见问题
      </li>
    </ul>
    <!-- 礼品详情的内容盒子 后端返回的数据是包含有标签(富文本) v-html -->
    <div v-show="from.isShow" v-html="productInfo.description"></div>
    <div class="issue" v-show="!from.isShow">
      <!-- 常见问题的内容盒子 -->
      <h4>兑换后运费如何收取？</h4>
      <p>
        商城内大部分实物产品均可包邮，也支持上门自提。虚拟产品则无需运费，可在兑换后直接使用。
      </p>
      <p class="mb20">
        （注：新疆，西藏，内蒙古，青海，海南，宁夏暂不支持包邮，在此地区兑换商品需提前与客服确认运费。）
      </p>
      <h4>如何申请退换货？</h4>
      <p>所有产品均为鸡腿兑换礼品，无质量问题不支持退换货；</p>
      <p>如因喜好不同，或到货后后悔等原因，不支持退货；</p>
      <p>
        因客户原因如联系方式有误、电话停机、不接电话、无理由拒收等造成快件无法正常签收的情况，叩丁狼均不进行补发或赔付；
      </p>
      <p>
        如因质量问题需要退货，将由客服人员与客户联系，确认邮寄地址与流程。退回物品不得有人为损坏或使用痕迹，否则拒绝退换；
      </p>
      <p class="mb20">
        如顾客选择自行寄回商品，请先垫付运费，到货验证商品后，叩丁狼将以鸡腿发放形式为用户报销运费，不接受单方面到付件。
      </p>
      <h4>如何开具发票？</h4>
      <p>叩丁狼积分商城产品均为定制礼品，使用积分兑换的产品均不支持开票。</p>
      <h4>关于鸡腿价格问题</h4>
      <p class="mb20">
        因可能存在系统缓存、页面更新延迟等不确定性情况，导致价格显示异常，商品具体售价请以订单结算页价格为准。如您发现异常情况出现，请立即联系我们补正，以便您能顺兑换。
      </p>
      <h4>联系我们</h4>
      <p>www.wolfcode.cn</p>
      <p class="mb20">微信公众号搜索“叩丁狼”</p>
    </div>
  </div>
</template>

<script setup lang="ts">
import Crumb from "@/components/crumb/crumb.vue";
import { GoodsAPI, CartsAddPI } from "@/http/api";
import { reactive, ref, getCurrentInstance } from "vue";
import { useRoute, useRouter } from "vue-router";
import { useToastStore } from "@/store/showToast"; //提示-pinia
const useToast = useToastStore();
const route = useRoute(); //路由信息
const router = useRouter(); //路由跳转
const emit = defineEmits(["fn"]);

//获取设置的全局变量
const imgBaseUrl =
  getCurrentInstance()?.appContext.config.globalProperties.$imgBaseUrl;
//获取地址栏id
let ids = Number(route.query.id);

const from = reactive({
  isShow: true, //是否显示礼品详情,
  stepNum: 1, //加减商品数量
  imgTabIndex: 0, //高亮索引
});

//加入购物车请求参数
const cartParams = reactive({
  productId: 0, //商品编号id
  total: 1, //商品数量
  modified: 1, //是否立即修改
});

//导航信息--面包屑数据
const nav = reactive([
  { name: "首页", link: "#" },
  { name: "全部商品", link: "#" },
  { name: "商品详情", link: "#" },
]);

const productInfo = ref({} as ProductInfo); //商品详细信息
const themYouCanBuy = ref<ThemYouCanBuy[]>([]); //可以兑换数组

//封装商品详细信息请求,根据商品id
const getProductInfo = (id: number) => {
  GoodsAPI(id).then((res) => {
    if (!res) return; // 如果返回的数据为undefined,后面的代码就不执行
    if (res.code == 0) {
      productInfo.value = res.data.productInfo;
      themYouCanBuy.value = res.data.themYouCanBuy;
      //初始化图片,让展示大图为展示小图的第一张图片
      productInfo.value.coverImg = productInfo.value.imgAltas[0].src;
      //还原高亮的索引为0
      from.imgTabIndex = 0;
      //统一给产品详情增加域名,方法一：
      productInfo.value.description = productInfo.value.description.replace(
        /upload\//g,
        imgBaseUrl + "/upload/"
      );
      //方法二：
      // productInfo.value.description = productInfo.value.description.replaceAll(
      //   "upload/",
      //   imgBaseUrl + "/upload/"
      // );
    }
  });
};
getProductInfo(ids); //进入页面就调用

//点击我要兑换跳转/选择颜色,版本
const youCanBuyFN = (id: number) => {
  //点击我要兑换图片利用携带id路由跳转
  router.push(`/details?id=${id}`);
  //点击后要重新发请求左边详情数据才会改变
  getProductInfo(id);
};

//鼠标移入商品横排展示小图改变商品展示大图
const imgTabFn = (src: string, index: number) => {
  //展示小图路径赋值给展示大图路径
  productInfo.value.coverImg = src;
  //定义的imgTabIndex值为移入图片的下标
  from.imgTabIndex = index;
};

//步进器,商品数量加减
const step = (val: number) => {
  if (val == -1 && from.stepNum == 1) return;
  from.stepNum += val;
};

//点击加入购物车
const CartsAdd = () => {
  cartParams.productId = ids; //商品编号id
  (cartParams.total = from.stepNum), //商品数量
    CartsAddPI(cartParams).then((res) => {
      if (!res) return;
      if (res.code === 0) {
        //1.提示成功
        useToast.ToastShowModel({
          isShow: true,
          msg: "添加成功",
          type: "success",
        });
        //2.更新topbar的购物车数量
        emit("fn", 1);
      }
    });
};
</script>

<style lang="less" scoped>
@import "../assets/css/public.less";
.details {
  main {
    margin-bottom: 52px;
    display: flex;
    .content {
      width: 884px;
      display: flex;
      justify-content: space-between;
      .l {
        .bigImg {
          width: 459px;
          height: 440px;
          background-color: #fcf;
          margin-bottom: 21px;
          img {
            width: 100%;
            height: 100%;
          }
        }
        ul {
          width: 459px;
          display: flex;
          justify-content: space-between;
          li {
            width: 100px;
            height: 100px;
            background-color: #cff;
            cursor: pointer;
            img {
              filter: brightness(50%);
            }
            &:hover {
              img {
                filter: brightness(100%);
              }
            }
          }
        }
      }
      .r {
        padding: 7px 49px 0 31px;
        .top {
          padding-bottom: 23px;
          border-bottom: 1px solid #ececec;
          h2 {
            font-size: 28px;
            color: #000000;
          }
          p {
            margin-top: 15px;
            font-size: 14px;
            font-weight: 300;
            color: #999999;
          }
          .score {
            font-size: 28px;
            font-weight: bold;
            color: #fd604d;
            margin-top: 26px;
          }
        }
        .down {
          padding-top: 19px;
          strong {
            font-weight: 300;
            color: #000000;
            margin-bottom: 14px;
            display: block;
            span {
              color: #666;
              font-size: 14px;
            }
          }
          ul {
            width: 100%;
            overflow: hidden;
            li {
              padding: 5px 10px;
              cursor: pointer;
              height: 32px;
              float: left;
              text-align: center;
              line-height: 32px;
              color: #666666;
              border: 1px solid #d1d1d1;
              margin-right: 20px;
              margin-bottom: 11px;
              &.active {
                border-color: @base-color;
                color: @base-color;
              }
            }
          }
          .step {
            background: #fff;
            width: 106px;
            margin-bottom: 24px;
            height: 32px;
            display: flex;
            justify-content: space-between;
            .reduce,
            .add {
              width: 30px;
              text-align: center;
              line-height: 32px;
              height: 32px;
              cursor: pointer;
              box-sizing: border-box;
              border: 1px solid #ccc;
              user-select: none;
            }
            input {
              width: 46px;
              height: 32px;
              user-select: none;
              border: 0;
              box-sizing: border-box;
              border-top: 1px solid #ccc;
              padding: 0;
              text-indent: 1.5em;
              outline: none;
              border-bottom: 1px solid #ccc;
            }
          }
          .btns {
            display: flex;
            margin-bottom: 25px;
            div {
              width: 150px;
              height: 46px;
              line-height: 46px;
              text-align: center;
              margin-right: 19px;
              cursor: pointer;
              color: #fff;
              &.addToCart {
                background: #3dc36b;
              }
              &.buyNow {
                background: #fd604d;
              }
            }
          }
          .love_share {
            display: flex;
            .love {
              display: flex;
              align-items: center;
              padding-right: 16px;
              border-right: 1px solid #666;
              img {
                margin-right: 12px;
              }
              span {
                color: #666666;
              }
            }
            .share {
              padding-left: 18px;
            }
          }
        }
      }
    }
    aside {
      padding-left: 19px;
      box-sizing: border-box;
      width: 230px;
      border-left: 1px solid #ddd;
      h3 {
        font-size: 18px;
        color: #333333;
        margin-bottom: 20px;
      }
      ul {
        li {
          margin-bottom: 30px;
          display: flex;
          cursor: pointer;
          justify-content: space-between;
          .l {
            width: 80px;
            height: 80px;
            margin-right: 10px;
            background-color: #ffc;
            img {
              width: 100%;
              display: block;
              border: 1px solid transparent;
            }
          }
          .r {
            width: 140px;
            display: flex;
            justify-content: space-around;
            flex-direction: column;
            .title {
              /* 超出一行变省略号 */
              text-overflow: ellipsis;
              width: 100%;
              font-weight: bold;
              overflow: hidden;
              white-space: nowrap;
              font-size: 14px;
              color: #666666;
            }
            .score {
              color: #666666;
              span {
                font-weight: bold;
                font-size: 18px;
                color: #ff5e0f;
              }
            }
          }
          &:hover {
            img {
              border: 1px solid @base-color;
            }
            .title {
              color: @base-color;
            }
          }
        }
      }
    }
  }
  .tabs {
    border-top: 1px solid #ececec;
    display: flex;
    width: 100%;
    margin-bottom: 27px;
    li {
      width: 120px;
      height: 50px;
      cursor: pointer;
      background: #fff;
      text-align: center;
      line-height: 50px;
      &.active {
        background: #ececec;
        font-weight: bold;
      }
    }
  }
  .issue {
    padding-bottom: 40px;
    h4 {
      font-size: 18px;
      font-weight: bold;
      margin-bottom: 10px;
      margin-top: 20px;
    }
    p {
      line-height: 1.4em;
    }
  }
}
</style>
